Johann Andersag (better known as Hans Andersag) was a scientist born on February 16, 1902, in Lana (Meran), Italy, and died August 10, 1955, in Wuppertal, Germany, following bronchial cancer.
While working for Bayer AG, he discovered chloroquine, the active ingredient in the malaria drug Resochin.
He also first synthesized vitamin B6 with Richard Kuhn, Kurt Westphal, and Gerhardt Wendt.